Rietvlei Dam
| Rietvlei Dam | |
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 Location of Rietvlei Dam in South Africa
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| Official name | Rietvlei Dam |
| Country | South Africa |
| Location | Pretoria, Gauteng |
| Coordinates | 25°52′36″S 28°15′57″E / 25.8767°S 28.2658°ECoordinates: 25°52′36″S 28°15′57″E / 25.8767°S 28.2658°E |
| Construction began | 1932 |
| Opening date | 1934 |
| Owner(s) | City of Tshwane |
| Dam and spillways | |
| Type of dam | earth-fill |
| Impounds | Rietvlei River |
| Height | 32 m |
| Length | 350 m |
| Reservoir | |
| Creates | Rietvlei Dam Reservoir |
| Total capacity | 12 377 m3 |
| Catchment area | 0.4 km2 |
| Surface area | 1.89 square kilometres (189 ha) |
The Rietvlei dam is an earth-fill type dam and is one of a number of dams supplying water to the Pretoria region of South Africa. It supplies around 41 million liters of drinking water daily, about 5.9% of the water requirement of Pretoria. The dam mainly serves for municipal and industrial use. Its hazard potential has been ranked high (3).
Constructed as a brick dam wall in 1934, it was extended between 1988 and 1990 by raising the dam wall with the addition of a concrete wall on top of the original wall.
The dam is fed by the Rietvlei, a river of the Crocodile River (Limpopo) basin, as well as by five fountains and five boreholes.
The Rietvlei Nature Reserve occupies the area immediately surrounding the dam.
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